gcc/testsuite/gcc.target/aarch64/sve/slp_5_run.c

   1 /* { dg-do run { target aarch64_sve_hw } } */
   2 /* { dg-options "-O2 -ftree-vectorize -ffast-math" } */
   3
   4 #include "slp_5.c"
   5
   6 #define N (141 * 2)
   7
   8 #define HARNESS(TYPE)                                   \
   9   {                                                     \
  10     TYPE a[N], b[2] = { 40, 22 };                       \
  11     for (unsigned int i = 0; i < N; ++i)                \
  12       {                                                 \
  13         a[i] = i * 2 + i % 5;                           \
  14         asm volatile ("" ::: "memory");                 \
  15       }                                                 \
  16     vec_slp_##TYPE (a, b, N / 2);                       \
  17     TYPE x0 = 40;                                       \
  18     TYPE x1 = 22;                                       \
  19     for (unsigned int i = 0; i < N; i += 2)             \
  20       {                                                 \
  21         x0 += a[i];                                     \
  22         x1 += a[i + 1];                                 \
  23         asm volatile ("" ::: "memory");                 \
  24       }                                                 \
  25     /* _Float16 isn't precise enough for this.  */      \
  26     if ((TYPE) 0x1000 + 1 != (TYPE) 0x1000              \
  27         && (x0 != b[0] || x1 != b[1]))                  \
  28       __builtin_abort ();                               \
  29   }
  30
  31 int __attribute__ ((optimize (1)))
  32 main (void)
  33 {
  34   TEST_ALL (HARNESS)
  35 }